<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    {% load static %}
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
    <link rel="stylesheet" href="{% static 'bootstrap-3.4.1-dist/css/bootstrap.min.css' %}">
    <script href="{% static 'bootstrap-3.4.1-dist/js/bootstrap.min.js' %}"></script>
</head>
<body>
<div class="container-fluid">
    <div class="row">
        <div class="col-md-offset-2 col-md-8">
            <h1 class="text-center">登录</h1>
            <div class="form-group">
                <label for="username">用户名</label>
                <input type="text" name="username" id="username" class="form-control">
            </div>
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" name="password" id="password" class="form-control">
            </div>
            <div class="form-group">
                <label for="">验证码</label>
                <div class="row">
                    <div class="col-md-6">
                        <input type="text" name="code" id="id_code" class="form-control">
                    </div>
                    <div class="col-md-6">
                        <img src="/get_code/" alt="" width="430px" height="35px" id="id_img">
                    </div>
                </div>
            </div>
            <input type="button" class="btn btn-success" value="登陆" id="id_commit">
            <span style="color: red" id="error"></span>
        </div>
    </div>
</div>
<script>
    $('#id_img').click(function () {
        // 1 先获取标签之前的src
        let oldVal = $(this).attr('src');
        $(this).attr('src',oldVal += '?')
    })

    // 点击按钮发送ajax请求
    $('#id_commit').click(function () {
        $.ajax({
            url:'',
            type:'post',
            data:{
                'username':$('#username').val(),
                'password':$('#password').val(),
                'code':$('#id_code').val(),
                'csrfmiddlewaretoken':'{{ csrf_token }}'
            },
            success:function (args) {
                if(args.code == 1000){
                    // 跳转到首页
                    window.location.href = args.url
                }else {
                    // 渲染错误信息
                    $('#error').text(args.msg)
                }
            }
        })
    })
</script>
</body>
</html>